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All Journal Jurnal Sains dan Aplikasi Keilmuan Teknik Industri

Yurida Ekawati

Industrial Engineering Universitas Ma Chung

Author-ID : 5900658

Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Transportation

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Analisis Kepuasan Pelanggan di Metro Musik Malang Menggunakan Metode SERVQUAL, IPA, dan QFD Andana Haris Goenawan; Yurida Ekawati
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 1 No. 1 (2021): June 2021
Publisher : Teknik Industri Universitas Ma Chung

Metro Musik is a well-known music equipment store in Malang City that also provides music education services. This service quality research was conducted because Metro Musik assessed that the decline in business was not only caused by the pandemic but also by customer dissatisfaction with the services provided by Metro Musik, based on criticism from buyers about the quality of service at Metro Musik Malang. This study aims to identify service quality using the Servqual method, prioritize service quality improvements using the Importance Performance Analysis (IPA) method, propose improvements using the Quality Function Deployment (QFD) method to improve service quality, and measure service quality at Metro Musik Malang after improvement efforts have been implemented. Based on the GAP 5 calculation, it was found that none of the attributes met customer expectations, or the quality of service at Metro Musik Malang was considered inadequate. Then, based on the IPA analysis, four attributes were prioritized, namely attributes number 2, 8, 10, and 11. Five improvements were proposed for the four prioritized attributes, including training employees to be more responsive in serving customers, creating reminders with detailed schedules, displaying realistic product photos, explaining corresponding product specifications, planning to add 1 to 2 employees, and renovating the store. However, only three out of the five proposals were implemented. The results of the implementation provided a 35% increase in customer satisfaction with the quality of service at Metro Musik Malang. Attributes number 2, 8, and 10 experienced an increase in customer satisfaction, but attribute number 11 experienced a decrease.

Perancangan Sistem Pengendalian Kualitas Menggunakan Pendekatan Statistical Process Control di PT X Matthew Marcelieno; Yurida Ekawati
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 1 No. 2 (2021): December 2021
Publisher : Teknik Industri Universitas Ma Chung

PT. X is a flavored beverage company facing the challenge of controlling the quality of its products due to the lack of a proper control system. The company experienced a high percentage of defective products in recent months, with a defect rate of 0.419% from September 2019 to December 2020. To address this issue, a quality control system was designed, utilizing a business process chart with a statistical process control (SPC) approach. The system involved the use of a checksheet for data collection and a control chart to regulate the average and variation of volume, pH, brix, and defective products. Pareto analysis was performed to identify potential causes of defective products, and efforts were made to address issues related to dented cups and leaky lids. Improvements made to the system proved successful in lowering the defect rate. The proposed quality control system was presented in the form of Standard Operating Procedures (SOP), and the processes of volume, pH, and brix are now under control.

Penjadwalan Tenaga Kerja Satu Shift di PT. XYZ pada Masa Pandemi dengan Metode Algoritma Tibrewala, Philippe & Browne Corine Destyan Ari Sandy; Yurida Ekawati; Teguh Oktiarso
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 2 No. 2 (2022): December 2022
Publisher : Teknik Industri Universitas Ma Chung

PT XYZ, a ball manufacturer, faced difficulty in setting a labor schedule due to the Pandemi situation, which resulted in limited operational costs and a decline in ball demand. This study aims to solve the problem of regulating the number of workers using the Tibrewala, Philippe & Browne algorithm. The algorithm helps in determining the amount of daily labor required for each production process. The data processing was carried out during Pandemi to determine the effective labor scheduling for all operators. The results showed the need for a reduction in labor, which was achieved by modeling effective labor scheduling within a week period. The cost analysis showed that scheduling could reduce operational costs. Therefore, the study suggested providing training to each operator to work on the entire production process so that the number of operators off is minimized. The algorithm can be beneficial in regulating the workforce in a job order-based company.

Analisis Perbaikan Kualitas Proses Produksi di PT XYZ Menggunakan Metode Fuzzy FMEA Made Ayu Chyntia Dewi Puspitaloka; Yurida Ekawati
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 2 No. 1 (2022): June 2022
Publisher : Teknik Industri Universitas Ma Chung

This study focuses on the application of quality control through the FMEA method with the fuzzy approach in the bread food industry. The case study is in PT XYZ, which produces several bread products. The FMEA method is used to identify the potential failure of the production process, but it has a weakness in producing an identical RPN value. To overcome this weakness, the fuzzy approach using the Fuzzy Inference System (FIS) with the Mamdani concept is applied to produce the Fuzzy RPN (FRPN) value. The FRPN calculations can determine the priority improvement in bread products, which can be ranked 1-5. The implementation of the proposed improvements, such as the training of operators, maintenance of machines, repairs of uneven roads, and rest periods for machines, can reduce product disability to 1%. The study shows that the application of the FMEA method with the fuzzy approach is effective in identifying and prioritizing the improvement of product quality in the food industry. The results can help companies to enhance their production process and product quality.

Usulan Perbaikan Sistem Kerja dengan Micromotion Study dan Analisis Pengaruh Pencahayaan Terhadap Kecepatan Kerja PT Dwi Putra Perkasa Malang Jordy Ariesandy; Teguh Oktiarso; Yurida Ekawati
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 2 No. 1 (2022): June 2022
Publisher : Teknik Industri Universitas Ma Chung

PT Dwi Putra Perkasa is one of the large convection companies in Malang City, East Java. The increasingly fierce competition in the industrial world requires companies to continue to improve their business. The implementation of a good and ergonomic system is one of the main factors that support the progress of a business. There are two problems identified at PT Dwi Putra Perkasa. First, a less structured work system makes workers less optimal in doing work. Second Uncertain natural lighting affects the performance of workers. This research was conducted with two methods, namely micromotion study for work system problems and experimental design methods using a complete random design to determine the effect of lighting. The results of the analysis showed that through the micromotion study method there was an increase in efficiency at each station, namely: Station 1 was 102.93%, Station 2 was 125.38%, Station 3 was 112.31%, and Station 4 was 105.98%. While through the experimental design it was found that performance at station one was not affected by light intensity while stations 2, 3, and 4 were affected. In addition it can also be concluded that the lamp used is a lamp with a light intensity of 140 lux.

Usulan Rancangan Tata Letak Fasilitas Produksi di PT NS Bluescope Lysaght Indonesia Ivena Faustina; Teguh Oktiarso; Yurida Ekawati
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 2 No. 2 (2022): December 2022
Publisher : Teknik Industri Universitas Ma Chung

This study addresses the changes in production layout at PT NS Bluescope Lysaght Indonesia, caused by the relocation of the factory to a wider land and the use of a different crane. The new factory utilizes Gantry Crane that uses rails on the production floor, which limits the land used. The study uses the Computerized Relationship Layout Planning (Corerap) algorithm to propose alternative production layouts. Four layout proposals were generated, and the layout proposal with the smallest product transfer distance was selected. The results showed that layout proposal 4 was the most effective and efficient, with a total displacement range of 453.7 meters. This study highlights the importance of using advanced algorithms to optimize production layouts, particularly when changes in equipment and facilities occur. The proposed layout can potentially increase productivity and efficiency in production. The study contributes to the body of knowledge on production layout planning and optimization using computerized algorithms.

Co-Authors Andana Haris Goenawan Corine Destyan Ari Sandy Ivena Faustina Jordy Ariesandy Made Ayu Chyntia Dewi Puspitaloka Matthew Marcelieno Teguh Oktiarso

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